chromium/base/allocator/partition_allocator/src/partition_alloc/partition_alloc_allocation_data.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef PARTITION_ALLOC_PARTITION_ALLOC_ALLOCATION_DATA_H_
#define PARTITION_ALLOC_PARTITION_ALLOC_ALLOCATION_DATA_H_

#include <cstdint>

#include "partition_alloc/buildflags.h"
#include "partition_alloc/partition_alloc_base/component_export.h"
#include "partition_alloc/tagging.h"

namespace partition_alloc {

// Definitions of various parameters of override and observer hooks. Allocation
// and free path differ from each other in that the allocation override provides
// data to the caller (we have an out parameter there), whereas the free
// override just consumes the data.

// AllocationNotificationData is the in-parameter of an allocation observer
// hook.
class PA_COMPONENT_EXPORT(PARTITION_ALLOC) AllocationNotificationData {};

// FreeNotificationData is the in-parameter of a free observer hook.
class PA_COMPONENT_EXPORT(PARTITION_ALLOC) FreeNotificationData {};

}  // namespace partition_alloc
#endif  // PARTITION_ALLOC_PARTITION_ALLOC_ALLOCATION_DATA_H_